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Peer assessment has proved to be a useful technique in all levels of education. The process of giving and receiving comments can encourage critical thinking and help students learn both from reviewing and being reviewed. Peer assessment generates a large volume of data, especially if done online. Online peer-assessment systems are designed differently and use different schema for their data, which...
Peer review has long been used in education to provide students more timely feedback and allow them to learn from each other's work. In large courses and MOOCs, there is also interest in having students determine, or help determine, their classmates' grades. This requires a way to tell which peer reviewers' scores are credible. This can be done by comparing scores assigned by different reviewers with...
Modern information systems, such as enterprise applications and e-commerce applications, often consist of databases surrounded by a large variety of software applications depending on the databases. During the evolution and deployment of such information systems, developers have to ensure the global consistency between database schemas and surrounding software applications. However, in such situations...
In this work, we investigate the problem of general event classification from uncontrolled YouTube videos. It is a challenging task due to the number of possible categories and large intra-class variations. On one hand, how to define proper event category labels and how to obtain training samples for these categories need to be explored; on the other hand, it is non-trivial to achieve satisfactory...
Online Analytical Processing (OLAP) was widely used to visualize complex data for efficient, interactive and meaningful analysis. Its power comes in visualizing huge operational data for interactive analysis. Data mining techniques (DM) are strong at detecting pattern sand mining knowledge from historical data. OLAP and DM are believed to be able to complement each other to analyze large data sets...
The Smith-Waterman (SW) algorithm is the most accurate sequence alignment approach used by computational biologists for DNA matching. However it's computational complexity makes SW impractical to use in clinical environment compared to much faster but less accurate sequence alignment technique such as BLAST. High performance computing community is examining alternative multi core architectures such...
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